关键数据：比特币ETF资金流入2.51亿美元；持仓量：70.5万枚/62.8万枚；币安平台出现大量资金流出，流出倍数为5.3倍
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US spot Bitcoin ETFs saw $251M inflows Tuesday after $167M Monday; March net inflows reach $1.56B, daily inflow $250.92M, lifetime ETF inflows into BTC $55.79B.
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BTCUSD reached range high near $70,500; range low is $62,800. Analyst flagged downside risk to $62,800 if BTC fails to sustain upside momentum.
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On March 11 BTCUSD netflow on Binance dipped, 14‑day MA at −1,151 BTC indicating outflows; futures-to-spot volume rose to ~5.3x, the highest since October 2023.
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